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Back to active CVEs
Unknown severity · Source severity not reportedCVE-2025-71148

net/handshake: restore destructor on submit failureCVE-2025-71148

Answer in brief

CVE-2025-71148 records a Unknown severity vulnerability in net/handshake: restore destructor on submit failure. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Jan 23, 2026Updated Nov 5, 2026Source checked Nov 5, 2026First seen by HOL Nov 5, 2026Material review Nov 5, 2026
Upstream Advisory

Key facts

Risk
Unknown severitySource severity not reported
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Linux/Linuxgeneric>=3b3009ea8abb713b022d94fba95ec270cf6e7eae <cd8cf2be3717137554744233fda051ffc09d1d44 || >=3b3009ea8abb713b022d94fba95ec270cf6e7eae <7b82a1d6ae869533d8bdb0282a3a78faed8e63dd || >=3b3009ea8abb713b022d94fba95ec270cf6e7eae <b225325be7b247c7268e65eea6090db1fc786d1f || >=3b3009ea8abb713b022d94fba95ec270cf6e7eae <6af2a01d65f89e73c1cbb9267f8880d83a88cee4cd8cf2be3717137554744233fda051ffc09d1d44, 7b82a1d6ae869533d8bdb0282a3a78faed8e63dd, b225325be7b247c7268e65eea6090db1fc786d1f, 6af2a01d65f89e73c1cbb9267f8880d83a88cee4
Linux/Linuxgeneric6.4Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
  2. 2Review the reported fix. Update Linux/Linux to cd8cf2be3717137554744233fda051ffc09d1d44 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Jan 23, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 5, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 5, 2026

Sources and claim methodology

  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
Upstream source description

In the Linux kernel, the following vulnerability has been resolved: net/handshake: restore destructor on submit failure handshake_req_submit() replaces sk->sk_destruct but never restores it when submission fails before the request is hashed. handshake_sk_destruct() then returns early and the original destructor never runs, leaking the socket. Restore sk_destruct on the error path.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
Not reported
Source
CVE List V5
Source checked
Nov 5, 2026
References
4 linked sources
Open source record